{
    "id": "CVE-2020-23839",
    "published": "2020-09-01 17:15:12",
    "last_modified": "2026-06-17 03:05:00",
    "cvss_score": "6.1",
    "cvss_severity": "MEDIUM",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
    "cwe": "CWE-79",
    "description": "A Reflected Cross-Site Scripting (XSS) vulnerability in GetSimple CMS v3.3.16, in the admin/index.php login portal webpage, allows remote attackers to execute JavaScript code in the client's browser and harvest login credentials after a client clicks a link, enters credentials, and submits the login form.",
    "epss_score": "0.10459",
    "epss_percentile": "0.95599",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-28 18:17:25",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "get-simple",
            "product": "getsimple_cms"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "49726",
            "title": "GetSimple CMS 3.3.16 - Persistent Cross-Site Scripting",
            "date": "2021-03-30",
            "url": "https://www.exploit-db.com/exploits/49726"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/162016/GetSimple-CMS-3.3.16-Cross-Site-Scripting-Shell-Upload.html",
        "https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1330",
        "https://github.com/boku7/CVE-2020-23839",
        "https://www.exploit-db.com/exploits/49726",
        "http://packetstormsecurity.com/files/162016/GetSimple-CMS-3.3.16-Cross-Site-Scripting-Shell-Upload.html",
        "https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1330",
        "https://github.com/boku7/CVE-2020-23839",
        "https://www.exploit-db.com/exploits/49726"
    ]
}